Logitech K400 Plus Wireless Touch Keyboard - 3.5" Touchpad, Unifying, Slim Profile, 2.4GHz Wireless. For lean-back wireless control of your laptop even when you`re connecting it to your TV. Remote control You can control your laptop from the comfort of your couch thanks to the 10-meter (33 feet) wireless range. Touch power A large, built-in touchpad with multi-touch navigation lets you point and scroll your way around the Web. Plug and play No cords, software or hassles. Just plug the tiny Logitech Unifying wireless receiver into a USB port and enjoy.